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Unesco listing for 19th century Welsh aqueduct

Pontcysyllte Aqueduct and Canal in north eastern Wales has been inscribed onto on UNESCO’s World Heritage List

The navigable aqueduct that carries the Llangollen Canal over the River Dee valley in Wrexham, north east Wales was completed in 1805 and is the longest and highest aqueduct in Britain.

It was built by Thomas Telford and William Jessop and is the third Unesco heritage site in Wales

The use of cast and wrought iron in the aqueduct enabled the construction of arches that were light and strong, producing an overall effect that is monumental and elegant.

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